K2 MACH 4.0 2004 VS GT TACHYON 3.0 2010 specs comparison

K2 Mach 4.0

General Infos

Model	Mach 4.0
Manufacturer	K2
Year of production	2004
Current price	Check price Here ==>
Color choice	-Silver and Charcoal
Sizes	- Large - medium - small - xsmall
Sizes	- Large - medium - small - xsmall

Wheels And Breaking System

Bike front tire	700 X 25c Vittoria Rubino Tech
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Ultegra STI Dual Control Levers Shimano 105 Dual Pivot Brakes
Hubs for disc brakes	Ritchey Comp Road
Rims manufacturer	28-hole Ritchey Comp Aero
Spoke nipples type	Not Available
Spoke wheel	14ga. Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	7000 aluminum c
Frame type	TIG-welded
Handlebar construction	Ritchey Logic Pro 31.8
Handlebar extender	Optional
Handlebar stem details	Ritchey Logic Pro 31.8
Headset size	1 1/8 (inches) Ritchey Logic Comp

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG53
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	TruVativ ISIS Drive
Crankset parts and sizes	30/42/52 Teeth Ritchey Pro
Gear shift levers	Shimano Ultegra STI Dual Control
Rear gear set	12 - 25 Teeth 9-speed

K2 Mach 4.0 Fork System Data

Derailleur (Front)	Shimano Ultegra Triple
Derailleur (Rear)	Shimano Ultegra GS
Fork material	Unicrown Crown Carbon Fiber
Fork type	K2 Carbon

Other Specs of K2 Mach 4.0

Component group sets	Road Mix
Pedals details	Shimano PD-5500 SPD-R
Rear shock absorber	Not Available
Saddle seat	Selle Italia XO Sudo
Seat post extension	Ritchey Pro Road

GT Tachyon 3.0

General Infos

Model	Tachyon 3.0
Manufacturer	GT
Year of production	2010
Current price	Check price Here ==>
Color choice	- Bronze -Black
Sizes	- XXS - XS - X - M - L - XL - XXL

Wheels And Breaking System

Bike front tire	700 X 32c Kenda Kiniption
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano ST-R221 Levers Tektro RX 1.0 Brakes
Hubs for disc brakes	Rear: Alloy QR Cassette Front: Alloy With Quick Release
Rims manufacturer	32-hole Alex R500
Spoke nipples type	Chrome Plated Brass
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	Aluminum With Hydroformed TT And DT
Frame type	TIG-welded
Handlebar construction	GT Alloy Flat Bar With 25.4 Clamp
Handlebar extender	Optional
Handlebar stem details	NVO Adjustable
Headset size	1 1/8 (inches) Integrated Sealed Bearing

Gearing Specifications

Bicycle chain	KMC HG40
Bottom bracket shell width	Not Available
Bottom bracket type	Sealed Cartridge
Crankset parts and sizes	23/42/52 Teeth FSA CK-200
Gear shift levers	Shimano ST-R221 Rapid Fire
Rear gear set	13 - 32 Teeth 9-speed

GT Tachyon 3.0 Fork System Data

Derailleur (Front)	Clamp On Shimano R443
Derailleur (Rear)	Shimano Sora R-3400
Fork material	Aluminum and steel Steerer
Fork type	GT Tachyon Rigid With Hydroformed Alloy Legs

Other Specs of GT Tachyon 3.0

Component group sets	Flat Bar Road Mix
Pedals details	Steel Cage Trekking Alloy Body
Rear shock absorber	Not Available
Saddle seat	WTB GT Exclusive With Waterproof Cover
Seat post extension	GT Design Alloy